<p style="line-height:1.8">注：* 为必填项</p> <p style="line-height:1.8"><strong><span style="color:#0093e6">请在报名阶段填写 ↓</span></strong></p> <p style="line-height:1.8"> </p> <h3 style="line-height:1.8">* 1、项目功能介绍</h3> <hr> <p style="line-height:1.8"><span style="color:#95a5a6">有幸参加立创电赛，制作一个基于【SF32LB52】的小智。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/bc770a361ef04af798e1e36124d705a9.png" width="333" height="271"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6">最终尺寸 54.6mm * 37.7mm * 19.8mm。</span></p> <h3 style="line-height:1.8">*2、项目属性</h3> <hr> <p style="line-height:1.8"><span style="color:#95a5a6;font-size:14px">跟随大牛接触【SF32LB52】，非原创。</span></p> <h3 style="line-height:1.8">* 3、开源协议</h3> <hr> <p style="line-height:1.8"><span style="color:#95a5a6">GPL 3.0</span></p> <p style="line-height:1.8"><strong><span style="color:#0093e6">请在竞赛阶段填写 ↓</span></strong></p> <p style="line-height:1.8"> </p> <h3 style="line-height:1.8">*4、硬件部分</h3> <hr> <p style="line-height:1.8"><span style="color:#95a5a6">记录踩过的坑。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 板厚0.8mm，原本天线避空的地方，做了几个垫片，后来没用到，省事用了热熔胶。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/556a5fec600f4fe8b0a8a05f73af0bd8.png" width="336" height="260"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 贴片焊接正面除了主控的其他元件，当前状态，用了硅麦，用了M7二极管降压。空载时M7的压降只有0.2V，不敢再继续测试了，怕毒害掉我的29.9的主控。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/156c5309df6f4197b8e010e4e0d1afc9.png" width="334" height="224"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 焊接背面的按钮及LED灯，焊接主控，拆掉M7，换上LDO降压。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/fb676c80b8094ed4b114aaa086ba710e.png" width="333" height="233"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 焊接屏幕，为了降低板子与屏幕之间的间距，用的15个1.27排针，把中间的7个针拔掉。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/b8f83aacb9b0464c90b4e0600aecfc6e.png" width="328" height="185"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 焊接电池和喇叭，用热熔胶处理接口，避免动来动去把线给折断。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/76687c49df844b0e9c5c7953b8975aca.png" width="331" height="356"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 修理3D打印外壳，屏幕开孔做小了，用电磨磨了好长时间。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/52f9a00eea134c49ac29ea37c70a850b.png" width="332" height="238"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 自制按钮帽，3D打印下单的时候，忘记做按键帽了，暂用尼龙螺丝代替一下。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/0d5f525eb4134844b47869db831f921d.png" width="331" height="234"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 主板装入外壳，螺丝孔合适，尺寸余量够用。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/bab557e7eec341009616816c3f79493c.png" width="333" height="286"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 电池和喇叭装入外壳，紧紧的塞到里面。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/68d7b6ca094c4bf6a1831cf19c8f06fd.png" width="333" height="290"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 背面造型，typec口可以充电供电。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/875200de4c784c378f200ffc5700a8c9.png" width="333" height="244"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 螺丝在屏幕一侧，拧紧，用面板可以盖住。面板画反了，提前3D预览的时候，没看出来，屏幕是在底壳的，面板没按照底壳画。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/0a20698136a644d4b59f47a4d231d54b.png" width="333" height="477"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 单刀三掷拨动开关从外面摸不到，3D打印的时候忘记做开关帽了，暂时只能用小东西伸进去拨动。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/54f0465be5ef4562bc091c99da760cdb.png" width="334" height="207"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 外壳的所有开孔展示。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/4b08f18666a2472eb88b47333270f585.png" width="337" height="280"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 充电效果，LDE灯有点亮，画板子的时候没有加限流电阻。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/bf220554d9844b35b7ca312b3b13652f.png" width="333" height="257"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 忽略屏幕左侧的那一道黄，风枪吹出来的伤疤。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"><img src="https://image.lceda.cn/oshwhub/pullImage/cf8618adad5b4c75a03489f785877052.png" width="333" height="267"></span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 后记1，固件升级成1.3.1后，可以更新电池电量，发现电池掉电速度比较快，怀疑是LDO有问题。所以冒着牺牲主控的风险，把LDO拆掉换上M7降压。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 后记2，喇叭的声音比小爱音箱逊色不少，音频输出电阻从2K换成了1K，稍有改观。</span></p> <p style="line-height:1.8"> </p> <h3 style="line-height:1.8">*5、软件部分</h3> <hr> <p style="line-height:1.8"><span style="color:#95a5a6">来自 插件版小智AI设计教程 https://lceda002.feishu.cn/wiki/B2LLwyC7binHuJkkHGMce03wnWf?fromScene=spaceOverview</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 使用板子上的CH340x连接电脑，用串口命令烧录，一次成功，高兴。</span></p> <p style="line-height:1.8"><span style="color:#95a5a6"> - 烧录教程也可参考大佬项目 <a href="https://oshwhub.com/article/the-10th-lichuang-electric-contest-xiao-zhi-ai-assistant-burning-tutorial" target="_blank">#第十届立创电赛#小智AI助手烧录教程 - 嘉立创EDA开源硬件平台</a></span></p> <p style="line-height:1.8"><img src="https://image.lceda.cn/oshwhub/pullImage/6ddacf87e1264acf82eb88543c3dfeb5.png" width="331" height="170"></p> <h3 style="line-height:1.8">*6、BOM清单</h3> <hr> <table style="border-collapse:collapse;width:667.83pt" width="1113"> <tr style="height:14.40pt"> <td style="height:14.40pt;width:76.20pt" width="127" height="24">No.</td> <td style="width:52.20pt" width="87">Quantity</td> <td style="width:161.40pt" width="269">Comment</td> <td style="width:88.80pt" width="148">Designator</td> <td style="width:289.20pt" width="482">Footprint</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电容</td> <td align="right">3</td> <td>22uF</td> <td>C1,C10,C11</td> <td>C0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电容</td> <td align="right">2</td> <td>1uF</td> <td>C2,C5</td> <td>C0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电容</td> <td align="right">2</td> <td>0.39uF</td> <td>C3,C4</td> <td>C0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电容</td> <td align="right">1</td> <td>10nF</td> <td>C6</td> <td>C0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电容</td> <td align="right">4</td> <td>100nF</td> <td>C7,C8,C12,C13</td> <td>C0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电容</td> <td align="right">1</td> <td>100nF</td> <td>C9</td> <td>C0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">M7二极管</td> <td align="right">1</td> <td>M7_C7420350</td> <td>D1</td> <td>SMA_L4.3-W2.6-LS5.0-FD</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电感</td> <td align="right">1</td> <td>1uH</td> <td>L1</td> <td>IND-SMD_L2.5-W2.0_FNR252012S</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">LED灯</td> <td align="right">2</td> <td>LTST-C190KSKT</td> <td>LED1,LED2</td> <td>LED0603-RD</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">麦克风</td> <td align="right">1</td> <td>GMI6050P-36db</td> <td>MIC1</td> <td>MIC-TH_BD6.0-P1.90-D0.4-L-FD_GMI6050P-2CXXDB</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">麦克风</td> <td align="right">1</td> <td>GMA3730H11-B38</td> <td>MIC2</td> <td>MIC-SMD_6P-L3.8-W3.0-TL</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电阻</td> <td align="right">2</td> <td>20K</td> <td>R1,R4</td> <td>R0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电阻</td> <td align="right">2</td> <td>2K</td> <td>R2,R3</td> <td>R0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电阻</td> <td align="right">5</td> <td>10K</td> <td>R5,R6,R7,R8,R9</td> <td>R0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电阻</td> <td align="right">2</td> <td>5.1K</td> <td>R10,R11</td> <td>R0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电阻</td> <td align="right">1</td> <td>1K</td> <td>R12</td> <td>R0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电阻</td> <td align="right">1</td> <td>0.5R</td> <td>R13</td> <td>R0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电阻</td> <td align="right">1</td> <td>0R</td> <td>R14</td> <td>R0603</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">按钮</td> <td align="right">2</td> <td>TS-1088R-02026</td> <td>SW2,SW3</td> <td>SW-SMD_L3.9-W3.0-P4.45</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">单刀三掷开关</td> <td align="right">1</td> <td>MSK13C02-SZ</td> <td>SW5</td> <td>SW-SMD_MSK13C02-SZ</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">主控</td> <td align="right">1</td> <td>LC-OPEN-SF32LB52-MOD-N16R8</td> <td>U1</td> <td>COMM-SMD_L27.9-W18.0-P1.10_SF32LB52-MOD-1-N16R8</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">功放</td> <td align="right">1</td> <td>LM4871</td> <td>U4</td> <td>SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">串口</td> <td align="right">1</td> <td>CH340X</td> <td>U5</td> <td>MSOP-10_L3.0-W3.0-P0.50-LS5.0-BL</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">充电</td> <td align="right">1</td> <td>IP5306</td> <td>U6</td> <td>ESOP-8_L4.9-W3.9-P1.27-LS6.0-BL-EP</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">LDO</td> <td align="right">1</td> <td>ME6209A40M3G</td> <td>U8</td> <td>SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">TFT LCD</td> <td align="right">1</td> <td>1.69寸TFTLCD模块</td> <td>U9</td> <td>1.69寸300*240 TFT LCD</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">TYPEC口</td> <td align="right">1</td> <td>TYPEC-304YSSW-ACP16</td> <td>USB1</td> <td>USB-SMD_TYPEC-304YSSW-ACP16</td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">喇叭</td> <td align="right">1</td> <td>3020_8欧2瓦</td> <td> </td> <td> </td> </tr> <tr style="height:14.40pt"> <td style="height:14.40pt" height="24">电池</td> <td align="right">1</td> <td>402030的200mAh</td> <td> </td> <td> </td> </tr> </table> <p style="line-height:1.8"> </p> <h3 style="line-height:1.8">*7、大赛LOGO验证</h3> <hr> <div> <div><img src="https://image.lceda.cn/oshwhub/pullImage/cb973ccf60e64c65a25d05cd6094760e.png" width="333" height="218"></div> <div><img src="https://image.lceda.cn/oshwhub/pullImage/21e6cdd0ebba47faafb1f3a3ec15b330.png" width="333" height="219"></div> <div><img src="https://image.lceda.cn/oshwhub/pullImage/d8e6fbec9b9c4588ae301a393917d7a8.png" width="333" height="264"></div> </div> <h3 style="line-height:1.8">* 8、演示您的项目并录制成视频上传</h3> <hr> <div> </div> <p style="line-height:1.8"><a title="成品展示" href="https://www.bilibili.com/video/BV1yWe4znEQM/" target="_blank">基于SF32LB52的小智</a></p> <p style="line-height:1.8"><a title="更换成M7二极管降压及充电使用效果" href="https://b23.tv/I7za4nv" target="_blank">更换成M7二极管降压及充电使用效果</a></p> <p style="line-height:1.8"><span style="color:#95a5a6;font-size:14px">视频标题：立创电赛：{项目名称}-{视频模块名称}；如立创电赛：《自动驾驶》-团队介绍。</span></p> <p style="line-height:1.8"> </p> <p style="line-height:1.8"><span style="font-size:14px"><a href="/posts/42551e8f2f2548cabc1c36626a42da94" target="_blank">前往查看更多详情 ＞</a></span></p> <p style="line-height:1.8"> </p>